Last wipe detection on Battlemetrics

For a full wipe, I just delete everything in my server folder apart from the 'cfg' folder. However, on Battlemetrics my server doesn't update it's 'last wipe' date. Am I wiping wrong or something?

Rust Server List - Filter and search all servers - BattleMetrics
[DOUBLEPOST=1534112283][/DOUBLEPOST]Just found out why. I was using the same seed, which is how Battlemetrics detects new wipes

 

they cant be using the seed as i never changed map seed this month and check this

Last Wipe - 08/02/2018 - 10 days ago